CN111366110A - A multifunctional measuring tool for power pipelines - Google Patents

Abstract

The invention discloses a multifunctional measuring tool for an electric power pipeline, which comprises a soft rubber column, wherein one end of the soft rubber column is provided with a measuring head, the other end of the soft rubber column is connected with a display, an extension and folding mechanism is arranged between the measuring head and the soft rubber column, the multifunctional measuring tool can measure a straight pipe and a bent pipe through a cylindrical head, an adapter sleeve and a pusher, has wider application range and wider functions, can perform measuring operation and straightening operation simultaneously, can push equipment at the bent part to avoid the measuring head from being clamped at the bent part, and during specific implementation, once the measuring head moves to the bent part, the cylindrical head can deflect slightly to enable the measuring head to normally pass through the bending, and at the moment, if the bent and deformed part blocks the measuring head, gas can be introduced towards an arc-shaped cavity to enable the pusher to push the piston head to slide, thereby correcting the position of the measuring head.

Description

A multifunctional measuring tool for power pipelines

technical field

The embodiments of the present invention relate to the technical field of power pipes, and in particular, to a multifunctional measuring tool for power pipes.

Background technique

The power pipe is a product made of PE (modified polyethylene) for hot dip molding or epoxy resin for internal and external coating, and has excellent corrosion resistance. At the same time, the coating itself also has good electrical insulation and will not cause galvanic corrosion. Low water absorption, high mechanical strength and small friction coefficient, which can achieve the purpose of long-term use. It can also effectively prevent the damage of plant roots and soil environmental stress.

At present, during the burying process of the large-diameter power pipeline, if it is subjected to a large impact (such as the compression of a large number of stones), the outer side wall will be concavely deformed. Once the deformed pipeline is eroded by rainwater for a long time, it will Rainwater accumulates in the deformation, resulting in accelerated corrosion of the pipeline and reduced service life.

Therefore, in order to facilitate the follow-up targeted maintenance, users often perform deformation measurement operations on the inner walls of the pipeline on both sides of the damaged part. However, the current measuring tools have relatively simple functions when measuring pipelines. The bent part can only be measured by replacing other parts. The operation is cumbersome, and even if it can pass through the bent part, because the structural strength of the bent part is relatively weak, once it is impacted, it is prone to multiple deformations. At this time, the measuring device When passing, it is easily affected by large deformation, resulting in the phenomenon of jamming.

SUMMARY OF THE INVENTION

To this end, the embodiment of the present invention provides a multi-functional measuring tool for power pipelines, to solve the problem that in the prior art, due to the relatively single function and the weak structural strength of the curved part, once it is impacted, it is easy to deform in multiple places. At this time, the measurement When the device passes, it is easily affected by large deformation, so that the problem of jamming occurs.

In order to achieve the above object, embodiments of the present invention provide the following technical solutions:

A multifunctional measuring tool for power pipelines, comprising a soft glue column, one end of the soft glue column is provided with a measuring head, and the other end of the soft glue column is connected with a display; between the measuring head and the soft glue column A stretching and folding mechanism is installed, a position correction cavity is arranged at the central position of the soft glue column, a plurality of air measuring chambers are arranged on the outer side of the position correction chamber, and a transition chamber is arranged on the outer side of the air measurement chamber;

The stretching and folding mechanism includes a cylindrical head connected with the side wall of the measuring head and a protruding column installed on the side wall of the soft rubber column and communicated with the transition cavity. The adapter sleeve connected with the soft rubber column, the side wall of the cylindrical head is provided with a sliding slot for limiting the adapter sleeve, and the inner wall of the adapter sleeve is installed with several An extension sleeve in which the cavity is communicated with the cylindrical head, the outer side wall of the cylindrical head is installed with a corner sleeve connected with the measuring head, the inner wall of one end of the protruding column is connected with a piston head, and the other end of the protruding column is connected with a piston head. An inner wall of one end is connected with a pusher for pushing the piston head to move toward the measuring head, and a corner strip is installed between the piston head and the corner sleeve.

Optionally, the protruding post is in a T-shaped structure, the pusher includes a blocking post slidably connected to the inner wall of the protruding post, and a push post is installed at one end of the blocking post close to the piston head. , the other end of the blocking column is installed with a connecting sleeve, the end of the connecting sleeve away from the blocking column is provided with a fixing sleeve connected to the inner wall of the protruding column, and the fixing sleeve is provided with a cross-section of In the gas-gathering hole with a figure-eight structure, an opening column is sleeved inside the connecting sleeve, one end of the opening column is connected with the blocking column, and the other end of the opening column penetrates the fixing sleeve and is placed on the collecting column. inside the pores.

Optionally, a conical column is installed at one end of the opening column away from the blocking column, a plurality of inclined bars in a triangular structure are installed on the outer side wall of the conical column, and the conical column is away from the opening column. One end of the column is provided with a film sleeve connected with the inner wall of the protruding column, and a flow restrictor plate connected with the conical column is installed in the film sleeve.

Optionally, the corner bar includes several rotating column groups, a clamping block is connected between two adjacent rotating column groups, and the rotating column group consists of two fixed blocks and symmetrically installed on the two said rotating column groups. A rotating column between the fixing blocks is formed, and a side surface of the fixing block away from the rotating column is provided with a positioning elastic piece, and both ends of the positioning elastic piece are connected with the locking block.

Optionally, an anti-bending device for positioning the soft glue column is connected in the position correction cavity, and the anti-bending device is composed of several protectors connected in sequence, and the protector includes a connecting column. A bearing block is installed at one end of the connecting column, a plurality of supporting elastic columns are installed on the side wall of the bearing block, an anti-protrusion ball is installed at one end of the supporting elastic column away from the bearing block, and the other end of the connecting column is installed A pressing elastic block with an isosceles trapezoidal structure in cross section is installed, and the side wall of the pressing elastic block is installed with a retaining ring that is caught by the anti-protrusion ball.

Optionally, one end of the extension sleeve is communicated with the gas measuring chamber, the side wall of the extension sleeve is provided with an extension groove with a V-shaped structure in cross section, and a plurality of grooves are provided in the cylindrical head. The guide hole communicated with the other end of the extension sleeve.

Optionally, the measuring head includes a fixed cover connected with the cylindrical head, a plurality of storage airbags connected to the guide holes are installed in the fixed cover, and the storage airbag is away from the side of the cylindrical head. A pressing block with a right-angled trapezoidal structure in cross section is mounted on the surface, and the inclined surface of the pressing block is connected with a stepped measuring column that penetrates through the fixed cover and extends to the outside of the fixed cover, and the stepped measuring column is far away from the fixed cover One end of the measuring column is installed with a reset frame.

Optionally, the measuring column reset frame includes a guide block with a V-shaped structure in cross section and connected with the stepped measuring column, and an anti-slope block connected with the side wall of the fixed cover is installed at one end of the guide block, The other end of the guide block is installed with a lifting column, the lifting column penetrates the corner sleeve and is connected with the side wall of the cylinder head, and a lifting spring is connected to the outer casing of the lifting column, and the lifting spring is arranged on the Inside corner sleeve.

Optionally, the stepped measuring column includes a main measuring column whose end is connected with the guide block, an auxiliary sliding column is slidably connected in the main measuring column, and an end of the auxiliary sliding column away from the guide block is installed with a For the push piece connected with the pressing block, the auxiliary measuring head is installed on the other end of the auxiliary sliding column, and the side wall of the auxiliary sliding column is sleeved with a positioning spring connected with the main measuring column.

Optionally, the display includes a transparent cover, and the transparent cover is provided with an arc-shaped cavity communicating with the protruding column, and the inner side of the arc-shaped cavity is annularly provided with several U-shaped cross-sections. The measuring cavity is structured and communicated with the gas measuring cavity, a movable piece is connected in the measuring cavity, and a plurality of observation tubes communicated with the transition cavity are arranged on the inner side of the measuring cavity.

Embodiments of the present invention have the following advantages:

The invention can measure the straight pipe and the curved pipe through the cylindrical head, the adapter sleeve and the pusher, and has a wider application range and wider functions. The operation of the position enables the device to be advanced at the bending part to avoid the situation that the measuring head is stuck at the bending place. The measuring head can pass through the bending normally. At this time, if the bending deformation blocks the measuring head, and the measuring head is inclined, gas can be introduced into the arc-shaped cavity, so that the pusher pushes the piston head to slide, so that the measuring head is moved. position correction.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

1 is a schematic diagram of the overall structure of an embodiment of the present invention;

2 is a schematic structural diagram of a display according to an embodiment of the present invention;

3 is a schematic diagram of a side-view cross-sectional structure of a soft rubber column according to an embodiment of the present invention;

4 is a top view of a fixed block according to an embodiment of the present invention;

5 is a schematic structural diagram of a pusher according to an embodiment of the present invention;

6 is a side view of a film sleeve according to an embodiment of the present invention;

7 is a schematic structural diagram of a protector according to an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a rotating column group according to an embodiment of the present invention.

In the picture:

1-soft rubber column; 2-measurement head; 3-display; 4-extension and folding mechanism; 5-correction cavity; 6-pusher; 7-corner bar; 8-measurement column reset frame; 9-step measuring column;

201-fixed cover; 202-storage airbag; 203-pressing block;

301-transparent cover; 302-arc cavity; 303-measurement cavity; 304-movable piece; 305-observation tube;

401-cylindrical head; 402-extending column; 403-adapting sleeve; 404-sliding slot; 405-extending sleeve; 406-corner sleeve; 407-piston head; 408-extending slot; 409-guiding hole;

501-anti-bending device; 502-protector; 503-connecting column; 504-bearing block; 505-supporting spring column; 506-anti-protruding ball; 507-pressing spring block; ;510-transition cavity;

601-Blocking column; 602-Pushing column; 603-Connecting sleeve; 604-Fixing sleeve; 605-Gather hole; 606-Opening column; 607-Conical column; tapeout;

701-rotating column group; 702-positioning block; 703-fixing block; 704-spinning column; 705-positioning shrapnel;

801-Guide block; 802-Anti-slope block; 803-Lifting column; 804-Lifting spring;

901 - main measuring column; 902 - auxiliary sliding column; 903 - push piece; 904 - auxiliary measuring head; 905 - positioning spring.

Detailed ways

In order to make the purpose, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the following The described embodiments are only some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

The technical solutions of the present invention are further described below with reference to the accompanying drawings and through specific embodiments.

In the description of the present invention, it should be understood that the orientations or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. are based on those shown in the accompanying drawings The orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

As shown in FIG. 1 , the present invention provides a multifunctional measuring tool for power pipes, which can measure the straight pipes and bends of power pipes through the cylindrical head 401 , the adapter sleeve 403 and the pusher 6 . It has a wider range of applications and wider functions. At the same time, it can not only perform the measurement operation, but also the position correction operation, so that the equipment can be advanced in the bending part, so as to avoid the situation that the measuring head is stuck in the bending part. occur.

As shown in Figures 1 and 3, the measuring tool includes a soft rubber column 1 (the soft rubber column 1 can be selected from soft materials such as rubber to bend with the pipeline), and one end of the soft rubber column 1 is provided with a measuring head 2, And the other end of the soft glue column 1 is connected with a display 3, a stretching and folding mechanism 4 is installed between the measuring head 2 and the soft glue column 1, and a position correction cavity 5 is provided at the center of the soft glue column 1, and the position correction cavity 5 is provided. A number of gas measuring cavities 509 are arranged on the outside, and a transition cavity 510 is arranged on the outside of the gas measuring cavities 509 .

When the tool is in use, one end of the soft rubber column 1 with the measuring head 2 can be directly inserted into the power pipe, (the power pipe should be a buried pipe), so that the measuring head 2 can measure the inner wall of the pipe to obtain the inner wall (The measurement method here is to convert the depth of the measured deformation into the measured gas compression, the measurement is sensitive and fast, and the data is more accurate and intuitive, and the final data display can be directly viewed on the display 3).

As shown in FIG. 1 , the stretching and folding mechanism 4 includes a cylindrical head 401 connected to the side wall of the measuring head 2 and a protruding column 402 installed on the side wall of the soft rubber column 1 and communicating with the transition cavity 510 . There is an adapter sleeve 403 connected to the soft glue column 1, and a sliding slot 404 is provided on the side wall of the cylinder head 401 to limit the position of the adapter sleeve 403. The inner wall of the adapter sleeve 403 is installed with a number of The air cavity 509 is connected with the extension sleeve 405 of the cylindrical head 401. The outer side wall of the cylindrical head 401 is installed with a corner sleeve 406 connected with the measuring head 2. One end of the extension column 402 is connected to the inner wall of the piston head 407, and the other end of the extension column 402 is connected. A pusher 6 for pushing the piston head 407 toward the measuring head 2 is connected to the inner wall of one end, and a corner bar 7 is installed between the piston head 407 and the corner sleeve 406 .

The extension and folding mechanism 4 can enable the measuring head 2 to measure the straight pipe and the bent pipe of the pipeline, which has a wider application range and wider functions, and can also correct the measuring head 2 stuck at the elbow. And after the correction, the measuring head 2 can be pushed further into the pipeline.

When the measuring head 2 moves to the bend of the pipe, the measuring head 2 will be gradually pressed by the inner wall of the curved pipe, so as to move along the inner wall of the pipe. At this time, the movable measuring head 2 will drive the cylindrical head 401 to deflect and tilt slightly together, thereby making the transfer The sleeve 403 slides in the sliding slot 404 (that is, the measuring head 2 can move along the track of the inner wall of the elbow), then the inclined measuring head 2 will push the corner bar 7 through the corner sleeve 406, and the pushed corner bar 7 will push the piston The head 407 can move along the extension column 402, and the movable piston head 407 can squeeze the gas in the extension column 402 and the transition chamber 510 (as shown in FIG. 1 and FIG. 5, the extension column 402 is T-shaped type structure, the pusher 6 in the protruding column 402 is blocked, so the gas between the piston head 407 and the pusher 6 will not move), then, the gas in the protruding column 402 will be compressed, so that the The user can observe the bending degree of the pipeline through the display 3, (the greater the bending amount, the greater the amount of gas compressed, and there are several transition chambers 510, taking FIG. 1 as an example, so when the pipeline is deflected forward, Then, when the measuring head 2 measures, the amount of gas compression in the front of the several transition cavities 510 is relatively large, because the inner side of the measurement cavity 303 is provided with several observation tubes 305 that communicate with the transition cavity 510 (the side walls of the observation tubes 305 can be set to At the same time, several movable pieces can be installed inside), so the movable pieces in several observation tubes 305 will be combined in a tilted state, and when tilted, they will tilt forward, while the rear will be tilted (if the bending direction of the elbow is deflected) On the contrary, the inclined state is also opposite)), so that the bending amount of the bending degree of the pipeline can be measured. If the inner wall of the pipeline bending is not deformed, the state of the movable pieces in the several observation tubes 305 will not be further inclined.

Then continue to push the soft rubber column 1, at this time the measuring head 2 will gradually reset, and the state of the movable pieces in the several observation tubes 305 will gradually reset, and then once the measuring head 2 is blocked by the deformation of the pipe bend, the measuring head 2 will Pushed by the deformed place, the inclined state occurs (that is, the movable pieces in several observation tubes 305 will be further inclined). At this time, the measuring head 2 cannot continue to slide in the curved tube, and then the user can inject into the transition cavity 510. At this time, gas will enter into the protruding column 402, and push the pusher 6 to move in the protruding column 402, so as to perform the operation of correcting the measuring head 2.

When the measuring head 2 passes through the bent pipe and moves to the straight pipe area again, the soft rubber column 1 can be pushed, so that the measuring head 2 enters deeper, so as to measure the inner wall of the pipe deeper.

The measuring tool has many functions, and can measure the pipeline directly and the elbow area at the same time, and during the operation, if the elbow is stuck, it can perform automatic reset operation, so that the tool can be taken out normally and No damage to pipes will occur.

As shown in FIG. 1 and FIG. 5 , the pusher 6 includes a blocking column 601 slidably connected to the inner wall of the protruding column 402 , one end of the blocking column 601 close to the piston head 407 is installed with a push column 602 , and the other end of the blocking column 601 is installed A connecting sleeve 603 is installed, and one end of the connecting sleeve 603 away from the blocking column 601 is provided with a fixing sleeve 604 connected to the inner wall of the protruding column 402. The fixing sleeve 604 is provided with a gas-gathering hole 605 with a cross-section of a figure-eight structure. An opening post 606 is sleeved inside 603 , one end of the opening post 606 is connected to the blocking post 601 , and the other end of the opening post 606 penetrates the fixing sleeve 604 and is located in the gas collecting hole 605 .

As shown in FIG. 5 and FIG. 6 , a tapered column 607 is installed at one end of the opening column 606 away from the blocking column 601 , and a number of inclined bars 608 in a triangular structure are installed on the outer side wall of the tapered column 607 , (the inclined bar 608 is set in this way so that the restrictor 610 can be fully stretched), the end of the tapered column 607 away from the opening column 606 is provided with a film sleeve 609 connected to the inner wall of the protruding column 402. The restrictor 610 connected to the shaped column 607.

When the gas in the protruding post 402 is compressed, the pressure in the entire protruding post 402 is fixed, so the blocking post 601 will be compressed and move toward the fixed sleeve 604, and then the movable blocking post 601 will be squeezed Connect the sleeve 603, while pushing the opening post 606 and the conical post 607 to move toward the film sleeve 609 together, and then the conical post 607 will stretch the restrictor 610 through the inclined bar 608. Since there are several protruding posts 402, so The extent to which the several restrictor sheets 610 are stretched is also different (the greater the amount of gas in the protruding column 402 is compressed, the greater the extent that the restrictor sheets 610 are stretched). After the compressed amount of gas inside is reset, the restrictor 610 will gradually recombine.

However, once the measuring head 2 is inclined, the inclined measuring head 2 will indirectly open up the gradually compounded restrictor sheet 610 again.

When the pusher 6 realizes the operation of resetting and correcting the measuring head 2, once the injected gas passes into the extension column 402, the stretched restrictor 610 will immediately inflate the injected gas into the gas accumulating hole 605, and then gather the gas. The air hole 605 will gather the gas, so as to push the opening column 606 and the blocking column 601 to move toward the piston head 407 together. After that, the movable piston head 407 corrects the position of the measuring head 2 through the corner bar 7 .

As shown in FIG. 1 , FIG. 4 and FIG. 8 , the corner bar 7 includes several rotating column groups 701 (as shown in FIG. 8 , the rotating column groups 701 at both ends of the corner bar 7 are respectively connected with the piston head 407 and the corner sleeve 406 . ), a clamping block 702 is connected between two adjacent rotating column groups 701, and the rotating column group 701 is composed of two fixed blocks 703 and a rotating column 704 symmetrically installed between the two fixed blocks 703 (the rotating column 704 is used to connect the fixing block 703 and the locking block 702), the fixing block 703 is provided with a position correction elastic piece 705 on the side surface away from the rotation column 704, and both ends of the positioning elastic sheet 705 are connected with the positioning block 702.

The corner bar 7 is so arranged that it can be bent along the track of the bent pipe, and at the same time, it can also avoid the occurrence of automatic bending. When it is implemented, once the measuring head 2 enters the bending place, the fixing block 703 will be driven to move together. When the fixed block 703 moves, the rotating column 704 and the locking block 702 between the two adjacent fixed blocks 703 will deflect. Due to the existence of the shrapnel 705, the two locking blocks 702 will not be bent into an acute angle (as shown in FIG. 8 here), and the piston head 407, which is continuously pushed, can push the locking block 702 and fix it. Block 703 is always moving in the direction of measuring head 2 .

As shown in Figure 1, Figure 5 and Figure 7, the correction cavity 5 is connected with an anti-bending device 501 for positioning the soft rubber column 1, and the anti-bending device 501 is composed of several protectors 502 connected in sequence. 502 includes a connecting column 503, one end of the connecting column 503 is installed with a bearing block 504, a plurality of supporting elastic columns 505 are installed on the side wall of the bearing block 504, and an end of the supporting elastic column 505 away from the bearing block 504 is installed with an anti-protrusion ball 506, The other end of the connecting column 503 is installed with a pressing elastic block 507 with an isosceles trapezoidal structure in cross section, and the side wall of the pressing elastic block 507 is installed with a retaining ring 508 caught by the anti-protrusion ball 506 .

When the user pushes the soft rubber column 1, the anti-bending device 501 can prevent the soft rubber column 1 from bending and falling to the inner wall of the pipe, so that the depth of the measuring head 2 is affected. The retaining ring 508 in the lower first protector 502 will be snapped into the inner side of the wrapping sleeve formed by a plurality of supporting elastic columns 505 in the second protector 502 in front of it, and the anti-protrusion ball 506 will also limit the retaining ring. 508, so that the first protector 502 and the second are tightly connected, so that several protectors 502 can be connected together in a straight line, and once the soft rubber column 1 is bent, the protector 502 at the bend will The supporting elastic column 505 thereon will squeeze the adjacent retaining ring 508, so that the pressing elastic block 507 is compressed, so that the protector 502 can be bent along with the soft rubber column 1, but it will not be detached.

One end of the extension sleeve 405 is communicated with the gas measuring chamber 509, and the side wall of the extension sleeve 405 is provided with an extension groove 408 with a V-shaped structure in cross-section. the guide hole 409.

When the cylindrical head 401 is bent or the adapter sleeve 403 slides in the sliding groove 404 , the extension groove 408 will be gradually straightened, and the extension sleeve 405 will not be pulled off.

The guide hole 409 is used to enable the gas in the storage bag 202 to communicate with the measuring chamber 509 and the measuring chamber 303 .

As shown in FIG. 1 , the measuring head 2 includes a fixed cover 201 connected with the cylindrical head 401 , and a plurality of storage bags 202 connected to the guide holes 409 are installed in the fixed cover 201 . A pressing block 203 with a right-angled trapezoidal structure in cross section is installed, and the inclined surface of the pressing block 203 is connected with a stepped measuring column 9 that penetrates through the fixed cover 201 and extends to the outside, and one end of the stepped measuring column 9 away from the fixed cover 201 is installed with a measuring column for reset. The frame 8, the measuring column reset frame 8 includes a guide block 801 with a V-shaped structure in cross section and connected with the stepped measurement column 9. The block 802 is used to prevent the guide block 801 from being pushed and inclined by the deformation when it comes into contact with the deformation. The other end of the guide block 801 is installed with a lifting column 803 that penetrates through the corner sleeve 406 and extends to the side wall of the cylinder head 401. The side wall of the lift column 803 is sleeved with a lift spring 804 whose end surface is connected to the inner wall of the corner sleeve 406 (the lift spring 804 will always pull the lift column 803 and the guide block 801 to move to the side away from the cylinder head 401 .

The measuring head 2 can realize the operation of measuring the accuracy of the deformation of the inner wall of the pipeline. During its specific implementation, once the inclined surface of the guide block 801 contacts the deformation, the guide block 801 will be gradually pressed to the fixed cover 201, and the lifting column 803 It will move and stretch the lift spring 804 at the same time (so that the guide block 801 can be automatically reset under the action of the lift spring 804 after passing through the deformation), and the step measuring column 9 will also move with the guide block 801, and then move The stepped measuring column 9 will slide along the inclined surface of the pressing block 203 , so that the pressing block 203 is gradually moved away from the stepped measuring column 9 , and at the same time, the storage bag 202 is squeezed, so that the gas in the storage bag 202 is injected into the volume gas chamber 509 through the guide hole 409 . , when the pressing block 203 is not active, the user can check the deformation amount on the display 3 .

As shown in FIG. 1 , the stepped measuring column 9 includes a main measuring column 901 whose end is connected with the guide block 801 , an auxiliary sliding column 902 is slidably connected in the main measuring column 901 , and an end of the auxiliary sliding column 902 away from the guiding block 801 is installed with a The push piece 903 connected with the pressing block 203 has a secondary probe 904 installed on the other end of the auxiliary slide 902 , and a positioning spring 905 connected to the main measuring post 901 is sleeved on the side wall of the auxiliary slide 902 .

The stepped measuring column 9 can continuously measure the deformation of the inner wall of the pipeline. During its specific implementation, once the guide block 801 and the auxiliary probe 904 come into contact with the deformation, the guide block 801 will descend and the main measuring column 901 will push the auxiliary sliding The column 902 , the auxiliary probe 904 and the positioning spring 905 move toward the pressing block 203 together. At this time, the movable auxiliary sliding column 902 can push the pressing block 203 through the pushing piece 903 .

Once encountering continuous concave deformation that is not easy in size, the guide block 801 will be pushed down by the maximum deformation, and then continue to push the soft rubber column 1 to move. At this time, there is a certain gap between the guide block 801 and the inner wall of the pipeline. If the auxiliary probe 904 is not pressed down by the inner wall of the pipeline, the positioning spring 905 will pull the auxiliary spool 902 to move towards the inner wall of the pipeline until the auxiliary probe 904 touches the small deformation, and the storage bag 202 will also reset. The probe 904 then performs the detection operation.

As shown in FIG. 2 , the display 3 includes a transparent cover 301, and an arc-shaped cavity 302 communicated with the protruding column 402 is opened in the transparent cover 301. The inner side of the arc-shaped cavity 302 is annularly provided with several U-shaped cross-sections. The measuring cavity 303 which is structured and communicated with the measuring cavity 509 is connected with a movable piece 304 in the measuring cavity 303 .

When the user ventilates into the arc-shaped cavity 302, the blocking post 601 in the protruding post 402 will be pushed.

When the gas in the measuring cavity 509 enters the measuring cavity 303, it will push the movable piece 304. When the movable piece 304 does not move along the measuring cavity 303, it is the size of the deformation (a scale can be set on the transparent cover 301).

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

As mentioned above, the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand: The technical solutions described in the embodiments are modified, or some technical features thereof are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. The multifunctional measuring tool for the power pipeline is characterized by comprising a soft rubber column (1), wherein one end of the soft rubber column (1) is provided with a measuring head (2), and the other end of the soft rubber column (1) is connected with a display (3); a stretching mechanism (4) is arranged between the measuring head (2) and the soft rubber column (1), a position correcting cavity (5) is arranged at the center of the soft rubber column (1), a plurality of measuring air cavities (509) are arranged on the outer side of the position correcting cavity (5), and transition cavities (510) are arranged on the outer side of the measuring air cavities (509);

the stretching and folding mechanism (4) comprises a cylindrical head (401) connected with the side wall of the measuring head (2) and a stretching column (402) arranged on the side wall of the soft rubber column (1) and communicated with the transition cavity (510), an adapter sleeve (403) connected with the soft rubber column (1) is sleeved on the outer side of the cylindrical head (401), a slide clamping groove (404) used for limiting the adapter sleeve (403) is formed in the side wall of the cylindrical head (401), a plurality of extending sleeves (405) used for communicating the measuring air cavity (509) with the cylindrical head (401) are arranged on the inner wall of the adapter sleeve (403), a corner sleeve (406) connected with the measuring head (2) is arranged on the outer side wall of the cylindrical head (401), a piston head (407) is connected on the inner wall of one end of the stretching column (402), and a pusher (6) used for pushing the piston head (407) to move towards the measuring head (2) is connected on the inner wall of the other end of the stretching column (402), and a corner strip (7) is arranged between the piston head (407) and the corner sleeve (406).

2. The multifunctional measuring tool for electric power pipelines of claim 1, the extending column (402) is in a T-shaped structure, the pusher (6) comprises a plugging column (601) which is connected with the inner wall of the extending column (402) in a sliding way, one end of the plugging column (601) close to the piston head (407) is provided with a push column (602), a connecting sleeve (603) is arranged at the other end of the plugging column (601), a fixed sleeve (604) connected with the inner wall of the extending column (402) is arranged at one end of the connecting sleeve (603) far away from the plugging column (601), an air gathering hole (605) with a splayed cross section is arranged in the fixed sleeve (604), an opening column (606) is sleeved in the connecting sleeve (603), one end of the opening column (606) is connected with the plugging column (601), the other end of the opening column (606) penetrates through the fixing sleeve (604) and is arranged in the air gathering hole (605).

3. The multifunctional measuring tool for the power pipeline is characterized in that a conical column (607) is installed at one end, away from the blocking column (601), of the opening column (606), a plurality of inclined strips (608) in a triangular structure are installed on the outer side wall of the conical column (607), a film sleeve (609) connected with the inner wall of the extending column (402) is arranged at one end, away from the opening column (606), of the conical column (607), and a flow limiting sheet (610) connected with the conical column (607) is installed in the film sleeve (609).

4. The multifunctional power pipeline measuring tool as claimed in claim 1, wherein the corner strip (7) comprises a plurality of rotating column groups (701), a clamping block (702) is connected between every two adjacent rotating column groups (701), each rotating column group (701) consists of two fixing blocks (703) and rotating columns (704) symmetrically installed between the two fixing blocks (703), a position correcting spring plate (705) is arranged on one side surface, far away from the rotating columns (704), of each fixing block (703), and two ends of each position correcting spring plate (705) are connected with the clamping block (702).

5. The multifunctional measuring tool for electric power pipelines of claim 1, an anti-bending device (501) used for positioning the soft rubber column (1) is connected in the position correction cavity (5), the anti-bending device (501) is composed of a plurality of protectors (502) which are connected in sequence, the protector (502) comprises a connecting column (503), one end of the connecting column (503) is provided with a bearing block (504), a plurality of supporting elastic columns (505) are arranged on the side wall of the bearing block (504), an anti-protruding ball (506) is arranged at one end of the supporting elastic column (505) far away from the bearing block (504), the other end of the connecting column (503) is provided with a pressing elastic block (507) with the cross section of an isosceles trapezoid structure, and a clamping ring (508) clamped by the anti-protruding ball (506) is arranged on the side wall of the pressing elastic block (507).

6. The multifunctional measuring tool for the electric power pipeline is characterized in that one end of the extending sleeve (405) is communicated with the air measuring cavity (509), an extending groove (408) with a V-shaped cross section is formed in the side wall of the extending sleeve (405), and a plurality of guide holes (409) communicated with the other end of the extending sleeve (405) are formed in the cylindrical head (401).

7. The multifunctional measuring tool for the power pipeline as claimed in claim 6, wherein the measuring head (2) comprises a fixing cover (201) connected with the cylinder head (401), a plurality of air storage bags (202) communicated with the guide holes (409) are installed in the fixing cover (201), a pressing block (203) with a right trapezoid-shaped cross section is installed on one side surface of the air storage bags (202) far away from the cylinder head (401), a step measuring column (9) penetrating through the fixing cover (201) and extending to the outer side of the fixing cover (201) is connected to an inclined surface of the pressing block (203), and a measuring column resetting frame (8) is installed at one end, far away from the fixing cover (201), of the step measuring column (9).

8. The multifunctional measuring tool for the power pipeline as claimed in claim 7, wherein the measuring column resetting frame (8) comprises a guide block (801) which is in a V-shaped cross section and connected with the step measuring column (9), an anti-tilting block (802) connected with the side wall of the fixed cover (201) is installed at one end of the guide block (801), a lifting column (803) is installed at the other end of the guide block (801), the lifting column (803) penetrates through the corner sleeve (406) and is connected with the side wall of the cylindrical head (401), a lifting spring (804) is sleeved outside the lifting column (803), and the lifting spring (804) is arranged in the corner sleeve (406).

9. The multifunctional measuring tool for the power pipeline as claimed in claim 8, wherein the step measuring column (9) comprises a main measuring column (901) with an end connected with the guide block (801), an auxiliary sliding column (902) is connected in the main measuring column (901) in a sliding manner, one end, away from the guide block (801), of the auxiliary sliding column (902) is provided with a pushing sheet (903) connected with the pressing block (203), the other end of the auxiliary sliding column (902) is provided with an auxiliary measuring head (904), and a positioning spring (905) connected with the main measuring column (901) is sleeved on a side wall of the auxiliary sliding column (902).

10. The multifunctional measuring tool for the power pipeline as claimed in claim 1, wherein the display (3) comprises a transparent cover (301), an arc-shaped cavity (302) communicated with the protruding column (402) is formed in the transparent cover (301), a plurality of measuring cavities (303) with U-shaped cross sections and communicated with the air measuring cavity (509) are annularly arranged on the inner side of the arc-shaped cavity (302), movable plates (304) are connected in the measuring cavities (303), and a plurality of observation tubes (305) communicated with the transition cavity (510) are arranged on the inner side of the measuring cavities (303).

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